Thanks to Oliver & Gregg for solving the issue. I have no got it working as I want in Chrome but there appears to be a bug in CSS scaling bug in Firefox which I'll describe in a new message.
On 12/11/2010 04:43, Gregg Tavares (wrk) wrote:
Ok, my bad. I was going with what's worked in the past.<callow_mark.vcf>
The issue is that <canvas> is by default an inline element. Inline elements have a baseline.
To fix the issue change the style of the canvas to a block